"joint request" is correct and usable in written English.
You can use it when two people are making a request together, as in the following example: "John and Sarah submitted a joint request to the manager for an additional two weeks' vacation."
Suffering at this level usually involves charities putting out a joint request for funds.
The joint request capped an unusual day in which both sides seemed to have decided that less was more.
When asked to explain this sudden change of mind he advised that this was done at your joint request.
The quartet also stated that in the absence of a joint request by the parties, "third parties should not intervene in the bilateral negotiations".
"Even if Cécilia Sarkozy wants to initiate divorce proceedings, she cannot, unless it is a joint request by the two parties," said Guy Carcassonne, a constitutional law expert.
For the first six months of this year, Amtrak and California's high-speed rail authority were planning to make a joint request for proposals (RFP) for new trains.
Through much of 2017, Feinstein and Grassley made joint requests for information about Russia and the FBI's investigation of election interference.
Hours after the hearing involving the company, the U.S. attorney's office and special counsel's office made joint requests for two-week extensions in response to petitions by The Washington Post and other news organizations to unseal records related to the sentencing of former Trump campaign chairman Paul Manafort, and to the indictment of Trump friend Roger Stone in Mueller's investigation.
This may be accomplished best through the issuance of joint requests for proposals and the creation of specific study sections.
In the study by Matsos et al., only joints requested by the rheumatologists were scanned rather than a pre-specified number of joints in the hands and feet as in our study.
She added that, "recognizing that Connecticut workers could be very much affected by what is happening on Wall Street, our state will continue to talk with our neighbors regarding a joint grant request".
